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Distribution Upgrade tools for Ubuntu
-------------------------------------
This tool implements the spec at:
https://wiki.ubuntu.com/AutomaticUpgrade
Broadly speaking a upgrade from one version to the next consists
of three things:
1) The user must be informed about the new available distro
(possibly release notes as well) and run the upgrade tool
2) The upgrade tool must be able to download updated information
how to perform the upgrade (e.g. additional steps like upgrading
certain libs first)
3) The upgrade tools runs and installs/remove packages and does
some additional steps like post-release cleanup
The steps in additon to upgrading the installed packages fall into this
categories:
* switch to new sources.list entries
* adding the default user to new groups (warty, scanner group)
* remove packages/install others (breezy, R:mozilla-firefox, RI:firefox,
install ubuntu-desktop package again, R:portmap, I:language-package*)
* check conffile settings (breezy: /etc/X11/xorg.conf; warty: /etc/modules)
* check if {ubuntu,kubuntu,edubuntu}-desktop is installed
* ask/change mirrors (breezy)
* breezy: install new version of libgtk2.0-0 from hoary-updates, then
restart synaptic
* reboot
The tool need a backported "python-vte" and "python-apt" to work on
breezy.